<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>

    <style>
        div{
          width: 200px;
          height: 300px;
          background-color: green;
            /* cursor属性不需要hover */
            cursor: pointer;
        }
    </style>
</head>
<body>
<div></div>
</body>
</html>